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Trojan.XML.CVE202234713.A

August 12, 2022
 Analysis by: Mc Justine De Guzman
 ALIASES:

Riskware/PoCDogWalk (FORTINET)

 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet, Dropped by other malware


This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It exploits a vulnerability identified as in a zero-day attack.

  TECHNICAL DETAILS

File Size:

811 bytes

File Type:

XML

Memory Resident:

No

Initial Samples Received Date:

11 Aug 2022

Arrival Details

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Other Details

This Trojan exploits a zero-day vulnerability. More information on the said vulnerability can be found in the following pages:

It does the following:

  • It uses msdt.exe to execute a malicious diagcfg
  • The malicious diagcfg file would connect to an attacker controlled webdav server

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

17.742.08

FIRST VSAPI PATTERN DATE:

11 Aug 2022

VSAPI OPR PATTERN File:

17.743.00

VSAPI OPR PATTERN Date:

12 Aug 2022

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.

Step 2

Scan your computer with your Trend Micro product to delete files detected as Trojan.XML.CVE202234713.A. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check the following Trend Micro Support pages for more information:


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